Some Sands we know about:

• Sand animation is a type of performance art and a technique for creating animated films.
• Sandbags are used for protection against floods and gun fire.
• Molding sand, also known as foundry sand, is moistened or oiled and then shaped into molds for sand casting.
• A sandstorm is a meteorological phenomenon common in arid and semi-arid regions and arises when a gust front passes or when the wind force exceeds the threshold value where loose sand and dust are removed from the dry surface.
• A sand island is an island that is largely or completely made of sand. The largest sand island in the world is Fraser Island.
• Sandstone is a sedimentary rock composed mainly of sand-size mineral or rock grains.
• Quicksand is a colloid hydrogel consisting of fine granular matter (such as sand or silt), clay, and salt water.

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